Quick vid on how to rig up a ball to animate correctly with squash and stretch controls independent of the rotation. If it helps, be sure to let me know.. or if not... tomato sandwiches!

Watch here to see how to animate balls in different styles:
   • Animate Balls in Maya  

Ball Start File:
https://drive.google.com/file/d/1KseN...

Ball Competed Rig:
https://drive.google.com/file/d/1yG1L...